Hurricane KENNETH

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TROPICAL STORM KENNETH DISCUSSION NUMBER 37
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2 PM PDT FRI SEP 23 2005
ENHANCED INFRARED IMAGERY HAS SHOWN PULSATING MARGINAL DEEP
CONVECTION THROUGHOUT THE DAY...AND THE CYCLONE CONTINUES TO BE
AFFECTED BY NORTHEASTERLY SHEAR. USING ROUGHLY THE MEAN OF DVORAK
T- AND CI-NUMBERS FROM TAFB AND SAB GIVES AN INITIAL INTENSITY
ESTIMATE OF 50 KT FOR THIS ADVISORY. THE SHEAR IS ONLY FORECAST TO
LAST FOR THE NEXT 12 HOURS OR SO...AND SINCE SOME FLUCTUATIONS ARE
POSSIBLE OVER THE NEXT FEW DAYS THE OFFICIAL FORECAST JUST
MAINTAINS THE CURRENT INTENSITY.
THE INITIAL MOTION IS ESTIMATED TO BE 275/4 KT. CURRENTLY A WEAK
RIDGE EXISTS TO THE NORTH OF KENNETH. THE DYNAMICAL MODELS ARE
FORECASTING A PORTION OF THE RIDGE TO THE NORTHEAST OF KENNETH TO
ERODE AS A DEEP MID- TO UPPER-LEVEL TROUGH DIGS IN FROM THE NORTH
WITHIN 48 HOURS...KEEPING STEERING CURRENTS WEAK. GUIDANCE SUGGESTS
THAT AN ANTICYLONE TO THE NORTHWEST OF KENNETH COULD INDUCE A
SLIGHT WEST-SOUTHWESTWARD MOTION FOR A COUPLE OF DAYS.
THEREAFTER...A MORE NORTHWEST MOTION IS ANTICIPATED IN RESPONSE TO
A SLIGHT BUILDING OF AN ANTICYCLONE TO THE EAST OF KENNETH.
FORECASTER MAINELLI/PASCH
FORECAST POSITIONS AND MAX WINDS
INITIAL 23/2100Z 15.9N 137.7W 50 KT
12HR VT 24/0600Z 16.0N 138.3W 50 KT
24HR VT 24/1800Z 16.1N 138.9W 50 KT
36HR VT 25/0600Z 16.1N 139.5W 50 KT
48HR VT 25/1800Z 16.0N 140.0W 50 KT
72HR VT 26/1800Z 16.0N 140.6W 50 KT
96HR VT 27/1800Z 16.5N 141.5W 50 KT
120HR VT 28/1800Z 17.0N 142.5W 45 KT
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